JPWO2020008499A1 - Endoscopic reprocessor and bottle - Google Patents

Abstract

The endoscope reprocessor 1 has a bottle connector 111 and a nozzle 211. The bottle connector 111 has a first advancing / retreating portion 131 that seals the first flow path L1 when it is located at the first position and opens the first flow path L1 when it is located at the second position, and a first fitting portion. Includes 136 and a first fastening portion for fastening the first advancing / retreating portion 131. When the nozzle 211 is located at the third position P3, the nozzle 211 is sealed, and when the nozzle 211 is located at the fourth position, the second advancing / retreating portion 231 that opens the nozzle 211 and the second fitting portion 136 are fitted. A fitting portion 236 and a second fastening portion for fastening the second advancing / retreating portion 231 are arranged.

Description

The present invention relates to an endoscopic reprocessor.

Conventionally, there is an endoscope reprocessor that uses a chemical solution such as a disinfectant solution, a cleaning solution, or alcohol to perform a reprocess process such as cleaning and disinfecting an endoscope used for a subject. The endoscopic reprocessor connects to the bottle in which the drug solution is stored by a bottle connector, and obtains the drug solution to be used for the reprocess process from the bottle. The bottle connector is opened so that it communicates with the inside of the sealed bottle according to the connection with the bottle, while it is closed so that the residual liquid does not leak to the outside when it is removed from the bottle. Sometimes.

For example, Japanese Patent Application Laid-Open No. 7-18614 has a female connector having a valve for closing the liquid passage hole from below and a male connector having a spring for urging the valve body in the direction of pressing the valve seat. When the male connector is removed from the female connector, not only the male connector self-closes, but also the female connector automatically closes the container, so that the liquid remaining in the bottle does not leak, and the connector is disclosed.

In addition, the bottle connector may be subjected to a water flow test in the inspection process at the time of manufacture. In the water flow test, when the water flow test is performed with a bottle connector such as the Japanese Patent Publication No. 7-18614, the bottle connector can be maintained in an open state even when it is not connected to the bottle. It is fixed to the bottle with a jig, etc., passed through water, and dried. The jig is removed when the inspection process is completed.

However, the conventional bottle connector opens according to the connection with the bottle and closes according to the removal from the bottle, but in order to maintain the open state in the state where the bottle is not connected. It takes time and effort to fix the jig with a jig and to confirm that the jig has not been forgotten to be removed.

Therefore, the present invention has a bottle connector that can prevent leakage of residual liquid when it is removed from the bottle and can more easily maintain the open state when it is not connected to the bottle. , To provide an endoscopic reprocessor.

The endoscopic reprocessor of one aspect of the present invention includes a main body including a suction pump, a tube having one end communicating with the suction pump, and a bottle connector connected to the other end of the tube. An endoscopic reprocessor having a chemical liquid storage unit and a bottle including a nozzle communicating with the chemical liquid storage unit, the bottle connector is a connection port connected to the tube and the said. The insertion port into which the tip of the nozzle is inserted, the first flow path connecting the connection port and the insertion port, and the first flow path are arranged so as to be able to move forward and backward, and are located at the first position in the first flow path. Of the first advancing / retreating portion and the first advancing / retreating portion that sometimes seals the first flow path and opens the first flow path when it is located at the second position on the connection port side of the first position. In the nozzle, the first fitting portion provided on the insertion port side and the first fastening portion for fastening the first advancing / retreating portion when the first advancing / retreating portion is in the first position are included. Is arranged so as to be able to advance and retreat in the nozzle, the nozzle is sealed when it is located at the third position of the nozzle, and the nozzle is sealed when it is located at the fourth position on the chemical storage portion side of the third position. A second advancing / retreating portion that opens the nozzle, a second mating portion that protrudes from the second advancing / retreating portion toward the nozzle opening side of the nozzle and fits into the first mating portion, and the second advancing / retreating portion. A second fastening portion for fastening the second advancing / retreating portion when in the third position is arranged.

It is a block diagram which shows an example of the structure of the endoscope reprocessor which concerns on embodiment of this invention. It is sectional drawing which shows an example of the structure of the chemical solution supply mechanism in the endoscope reprocessor which concerns on embodiment of this invention. It is sectional drawing which shows an example of the structure of the chemical solution supply mechanism in the endoscope reprocessor which concerns on embodiment of this invention. FIG. 5 is an enlarged cross-sectional view showing an example of the configuration of a first fitting portion and a second fitting portion in a chemical solution supply mechanism of an endoscope reprocessor according to an embodiment of the present invention. FIG. 5 is a cross-sectional view showing a state in which a first fitting portion and a second fitting portion are fitted to each other in a chemical solution supply mechanism of an endoscope reprocessor according to an embodiment of the present invention. FIG. 5 is a cross-sectional view showing a state in which a first fitting portion and a second fitting portion are fitted to each other in a chemical solution supply mechanism of an endoscope reprocessor according to an embodiment of the present invention. It is sectional drawing which shows an example of the state which the bottle connector and the nozzle are connected to each other in the chemical solution supply mechanism of the endoscope reprocessor which concerns on embodiment of this invention. It is sectional drawing for demonstrating an example of the 1st channel and the 2nd channel in the chemical solution supply mechanism of the endoscope reprocessor which concerns on embodiment of this invention. FIG. 5 is a cross-sectional view showing an example of a state in which the first advancing / retreating portion is located at the second position in the chemical solution supply mechanism of the endoscope reprocessor according to the embodiment of the present invention. FIG. 5 is an enlarged cross-sectional view showing an example of the configuration of a first fitting portion and a second fitting portion in a chemical solution supply mechanism of an endoscope reprocessor according to a modification 1 of the embodiment of the present invention. FIG. 5 is a cross-sectional view showing a state in which a first fitting portion and a second fitting portion are fitted to each other according to the first modification of the embodiment of the present invention. FIG. 5 is an enlarged cross-sectional view showing an example of the configuration of a first fitting portion and a second fitting portion in a chemical solution supply mechanism of an endoscope reprocessor according to a second modification of the embodiment of the present invention. FIG. 5 is a cross-sectional view showing a state in which a first fitting portion and a second fitting portion are fitted to each other according to a second modification of the embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Constitution)
FIG. 1 is a block diagram showing an example of the configuration of the endoscope reprocessor 1.

As shown in FIG. 1, the endoscope reprocessor 1 is a device that reprocesses a contaminated endoscope and parts or accessories of the endoscope. The reprocess treatment referred to here is not particularly limited, and is not particularly limited, such as rinsing with water, cleaning to remove stains such as organic substances, disinfection to nullify predetermined microorganisms, sterilization to eliminate or kill all microorganisms, and so on. Alternatively, any combination of these may be used. The accessories are not particularly limited, for example, a suction button, an air supply / water supply button, a suction button, an air supply / water supply button, which is attached to the endoscope at the time of use and removed from the endoscope at the time of reprocessing, or a tip cover covering the tip member of the endoscope. Can be mentioned.

The endoscope reprocessor 1 has a main body 11 and a top cover 12.

The top cover 12 is provided on the upper part of the main body 11 so as to be openable and closable. When the top cover 12 is opened, the processing tank 21 is exposed to the outside.

The main body 11 has a display panel 13 and an operation panel 14. The display panel 13 can display various information under the control of the control unit 94. The operation panel 14 can input user's instructions. When there is a user's instruction input, the operation panel 14 outputs an instruction signal corresponding to the user's instruction input to the control unit 94.

The treatment tank 21 accommodates an endoscope to be reprocessed and has a concave shape so as to store a liquid such as a cleaning liquid, a disinfecting liquid, a sterilizing liquid or a rinsing liquid.

The water supply hose connection port 31 is connected to the water tap via the water supply hose H. Further, the water supply hose connection port 31 is connected to the water supply pipe line 32. The water supply line 32 is connected to the three-way solenoid valve 33. The water supply pipeline 32 is provided with a water supply solenoid valve 34, a check valve 35, and a water supply filter 36 in this order from the water supply hose connection port 31 side.

The circulation nozzle 37 communicates with either the water supply pipe line 32 or the liquid supply pipe line 38 by the switching operation of the three-way solenoid valve 33. The circulation nozzle 37 discharges either the water supplied from the tap or the liquid taken in from the circulation port 40 to the processing tank 21.

A liquid feeding pump 39 is provided in the liquid feeding pipe line 38.

The circulation port 40 is provided at the bottom of the processing tank 21 and communicates with the inflow pipe 41. A filter such as a wire mesh is attached to the circulation port 40 so that filth can be collected.

The inflow pipe 41 is branched into two and is connected to the liquid supply pipe 38 and the channel pipe 42. The channel line 42 is connected to the connector 43. The channel line 42 is provided with a channel pump 44, a channel block 45, and a solenoid valve 46 for supplying liquid or air. The water leakage detection connector 47 is connected to the water leakage detection pump 49 via the water leakage detection pipeline 48. The channel line 42 is also connected to the case line 52 having the relief valve 51. The case conduit 52 is connected to the accessory case 54 via the tank bottom nozzle 53.

The endoscope reprocessor 1 takes in the liquid in the processing tank 21 through the circulation port 40, discharges the liquid from the circulation nozzle 37, the connector 43, and the tank bottom nozzle 53, and circulates the liquid.

The alcohol tank 61 is connected to the channel block 45 via the alcohol line 62. Alcohol is stored in the alcohol tank 61. The alcohol pipe 62 is provided with an alcohol pump 63 and a solenoid valve 64.

The detergent tank 65 is connected to the detergent nozzle 67 via the detergent pipeline 66. Detergent is stored in the detergent tank 65. A detergent pump 68 is provided in the detergent pipeline 66.

The air supply pump 71 is connected to the channel block 45 via the air supply line 72. A check valve 73 and an air filter 74 are provided in the air supply line 72. The air supply pump 71 takes in air from the outside and supplies air to the channel block 45.

The drainage port 81 is provided at the bottom of the treatment tank 21. The drainage port 81 is connected to the disinfectant liquid tank 82 and the external drainage means Ed via the drainage valves 81a and 81b that open and close the drainage port 81. The drainage port 81 discharges the liquid of the treatment tank 21 to the external drainage means Ed by driving the drainage pump 84 via the drainage valve 81a and the drainage pipe line 83. Further, the drainage port 81 discharges the disinfectant solution of the treatment tank 21 to the disinfectant solution tank 82 via the drainage valve 81b and the recovery pipe line 85 so that the disinfectant solution can be collected.

The disinfectant liquid tank 82 stores the disinfectant liquid. The disinfectant solution in the disinfectant solution tank 82 is heated by the heating unit 86.

The disinfectant nozzle 87 is connected to the disinfectant tank 82 via the supply line 88. A disinfectant filter 89 and a disinfectant pump 90 are provided in the supply pipe line 88. The disinfectant solution nozzle 87 discharges the disinfectant solution from the disinfectant solution tank 82 to the treatment tank 21 by driving the disinfectant solution pump 90.

The ultrasonic vibration unit 91, the heater 92, and the temperature detection sensor 93 are provided at the bottom of the processing tank 21.

The control unit 94 controls each unit in the endoscope reprocessor 1. The control unit 94 has a memory 95 and a processor 96. The function of the control unit 94 is realized by the processor 96 reading and executing the program stored in the memory 95.

(Structure of chemical supply mechanism D)
Subsequently, the configuration of the chemical solution supply mechanism D of the endoscope reprocessor 1 will be described.

2 and 3 are cross-sectional views showing an example of the configuration of the chemical solution supply mechanism D in the endoscope reprocessor 1. FIG. 3 is a cross-sectional view of the chemical solution supply mechanism D cut in a direction orthogonal to the cut surface of FIG.

The chemical solution supply mechanism D supplies the chemical solution to the disinfectant solution tank 82. The chemical solution is, for example, a disinfectant solution or a sterilizing solution. In the disinfectant solution tank 82, in addition to the disinfectant solution collected from the treatment tank 21 by the recovery pipe 85, the disinfectant solution supplied by the chemical solution supply mechanism D is also stored. The chemical solution supply mechanism D may supply a disinfectant solution prepared to a predetermined concentration, or may supply a stock solution of the disinfectant solution. When the undiluted solution of the disinfectant solution is supplied, the undiluted solution is diluted with diluting water in the disinfectant solution tank 82 and prepared to a predetermined concentration.

The chemical supply mechanism D includes a bottle B including a suction pump 97, a tube 98, a bottle connector 111, and a nozzle 211. The bottle connector 111 is connected to the nozzle 211 (FIGS. 2 and 3).

The suction pump 97 is connected to the disinfectant tank 82. Under the control of the control unit 94, the suction pump 97 sucks the disinfectant solution of the bottle B and discharges it to the disinfectant solution tank 82.

The tube 98 is made of, for example, rubber or the like. One end of the tube 98 communicates with the suction pump 97, and the other end is connected to the bottle connector 111.

As shown in FIGS. 2 and 3, the bottle connector 111 is made of, for example, resin or the like. The bottle connector 111 is attached to the nozzle 211 of the bottle B. The bottle connector 111 has a cylinder body 121, a first advancing / retreating portion 131, and a tube connecting portion 141.

In the cylinder body 121, one end 121a and the other end 121b on the opposite side of the one end 121a communicate with each other. The other end 121b is provided with an insertion port 121c. The cylinder body 121 has an inner peripheral portion 122 on one end side, an inner ring portion 123, an inner peripheral portion 124 on the other end side, a resistance member 125, and a locking member 126.

The one end side inner peripheral portion 122 extends from the inner edge of the one end portion 121a toward the other end. The inner peripheral portion 122 on one end side has an inner diameter smaller than that of the inner peripheral portion 124 on the other end side.

The inner ring portion 123 extends inward in the other end direction and in the radial direction from the one end side inner peripheral portion 122 inside the cylinder body 121. The inner ring portion 123 has an inner diameter smaller than that of the one-end side inner peripheral portion 122.

The other end side inner peripheral portion 124 extends from the insertion port 121c toward one end. The other end side inner peripheral portion 124 has an inner diameter larger than that of the one end side inner peripheral portion 122. The inner peripheral portion 124 on the other end side extends inward in the radial direction and intersects the outer peripheral surface of the inner ring portion 123. An annular groove 124a is provided between the outer peripheral surface of the inner ring portion 123 and the inner peripheral portion 124 on the other end side.

The resistance member 125 is composed of, for example, a plunger including a ball and a spring for urging the ball. The resistance member 125 creates a contact resistance Ra with the first advancing / retreating portion 131.

For example, in FIGS. 2 and 3, the resistance member 125 is provided at the inner peripheral portion 122 on the one end side so that the ball hits the outer edge on the one end side of the first advancing / retreating portion 131 at the position P1. The resistance member 125 may be formed of a fastening member such as a pin instead of the ball.

The locking member 126 includes a projecting piece 126a projecting from the outer peripheral surface of the cylinder body 121, a knob 126b extending to one end side of the projecting piece 126a, and a engaging member extending to the other end side of the projecting piece 126a. It has a claw 126c.

The first advancing / retreating portion 131 is arranged so as to be able to advance / retreat between the position P1 which is the first position and the position P2 (FIG. 7) which is the second position in the first flow path L1. Open and close. The first advancing / retreating portion 131 includes a stopper 132, a packing 133 which is a sealing member, a frustum portion 134, a support member 135, and a first fitting portion 136.

The stopper 132 is arranged inside the inner peripheral portion 122 on one end side, has an outer diameter larger than the inner diameter of the inner ring portion 123, and is stopped by the inner ring portion 123 to prevent the first advancing / retreating portion 131 from falling off. ..

The packing 133 is made of rubber or the like, has a ring shape, and is mounted in a peripheral groove continuously provided on the other end side of the stopper 132. The packing 133 creates a sliding resistance Rb between the packing 133 and the inner peripheral surface of the inner ring portion 123.

The frustum portion 134 is continuously provided on the other end side of the peripheral groove to which the packing 133 is mounted. The frustum 134 has an outer diameter that gradually decreases toward the other end.

The support member 135 extends from the frustum portion 134 toward the other end. The length of the support member 135 is adjusted in advance so that the second fitting portion 236 is accommodated between the frustum portion 134 and the first fitting portion 136.

The first fitting portion 136 is continuously provided on the other end side of the support member 135. The first fitting portion 136 has a ring shape so that the second fitting portion 236 can be inserted. The first fitting portion 136 has a predetermined inner diameter. That is, the first fitting portion 136 is provided on the insertion port 121c side of the first advancing / retreating portion 131.

The tube connecting portion 141 has a mounting cylinder 142, an outward protruding portion 143, a packing 144, and a body portion 145.

The mounting cylinder 142 is provided on one end side of the tube connecting portion 141. The mounting cylinder 142 has an elongated tubular shape and has a connection port 142a at the end. The mounting cylinder 142 may have a non-slip surface on the outer peripheral surface near the end portion. When the tube 98 is attached to the mounting cylinder 142, the connection port 142a and the tube 98 are connected.

The outward protruding portion 143 is continuously provided on the other end side of the mounting cylinder 142, and has a shape that protrudes outward in the radial direction so as to hang on the end surface of the one end portion 121a.

The packing 144 is made of rubber or the like, has a ring shape, is mounted in a peripheral groove continuously provided on the other end side of the outward protrusion 143, and is in close contact with the cylinder body 121.

The body portion 145 is arranged inside the inner peripheral portion 122 on one end side, and extends from the other end side of the peripheral groove to which the packing 144 is mounted. The end surface of the body portion 145 is provided with the other end opening 145a that communicates with the connection port 142a by the internal flow path, and the convex portion 145b is provided around the other end opening 145a. A gap is formed between the advancing and retreating portions 131.

The bottle B is made of, for example, resin or the like. In the bottle B, the drug solution is stored in the drug solution storage section B1. The bottle B has, for example, a quadrangular box shape, but is not limited to this, and may have another shape such as a cylindrical shape. In addition, the bottle B may have a grip portion so that it can be transported.

The nozzle 211 is provided on the outer wall of the bottle B and communicates with the chemical storage portion B1 via the bottle tube Tb. The tip of the nozzle 211 is inserted into the insertion port 121c. The nozzle 211 has a nozzle cylinder 221, a second advancing / retreating portion 231 and a storage portion connecting portion 241 and a cap 251.

In the nozzle cylinder 221, the base end portion 221a and the tip end portion 221b on the side opposite to the base end portion 221a communicate with each other. The tip portion 221b is provided with a nozzle opening 221c. The tip portion 221b has an outer diameter smaller than the inner diameter of the inner peripheral portion 124 on the other end side, and can be inserted into the insertion port 121c. The nozzle cylinder 221 has a base end side inner peripheral portion 222, a small inner peripheral portion 223, a tip end side inner peripheral portion 224, a resistance member 225, a protrusion 226, and a packing 227.

The base end side inner peripheral portion 222 extends from the inner edge of the base end portion 221a toward the tip end.

The small inner peripheral portion 223 extends from the proximal end side inner peripheral portion 222 toward the tip end. The small inner peripheral portion 223 has an inner diameter smaller than that of the proximal end side inner peripheral portion 222 and the distal end inner peripheral portion 224.

The tip-side inner peripheral portion 224 extends from the small inner peripheral portion 223 toward the tip and communicates with the nozzle opening 221c.

The resistance member 225 is composed of, for example, a plunger including a ball and a spring for urging the ball. The second fastening portion creates a contact resistance Rc between the second fastening portion and the second advancing / retreating portion 231.

For example, in FIGS. 2 and 3, the resistance member 225 is provided at the small inner peripheral portion 223 so that the ball enters the circumferential recess 234 of the second advancing / retreating portion 231 at the position P3.

The protrusion 226 is projected from the outer peripheral surface of the nozzle cylinder 221 so as to be locked by the locking claw 126c.

The packing 227 is made of rubber or the like, has a ring shape, is mounted on a peripheral groove provided on an outer peripheral surface near the tip portion 221b, and slides on the inner surface of the annular groove 124a.

The second advancing / retreating portion 231 advances / retreats between the position P3 at the third position and the position P4 (FIG. 7) at the fourth position in the nozzle cylinder 221 to open / close the second flow path L2. The second advancing / retreating portion 231 has a tubular shape. The second advancing / retreating portion 231 has a stopper 232, a packing 233, a peripheral recess 234, a support column 235, a second fitting portion 236, and a convex portion 237.

The stopper 232 is arranged inside the inner peripheral portion 222 on the base end side, has an outer diameter larger than that of the small inner peripheral portion 223, and is stopped by the small inner peripheral portion 223 to prevent the second advancing / retreating portion 231 from falling off. To do.

The packing 233 is made of rubber or the like, has a ring shape, and is mounted in a peripheral groove continuously provided on the tip side of the stopper 232. The packing 233 creates a sliding resistance Rd between the packing 233 and the inner peripheral surface of the small inner peripheral portion 223.

The peripheral recess 234 is continuously provided on the tip end side of the peripheral groove in which the packing 233 is mounted. A through hole 234a penetrating the inner peripheral portion is provided at the bottom of the peripheral recess 234. On the base end side of the through hole 234a, a closing wall 234b that closes the inner peripheral portion is continuously provided.

The support pillar 235 is provided on the tip end side of the closing wall 234b. The length of the support column 235 is such that the bottle connector 111 and the nozzle 211 are connected to each other, the first advancing / retreating portion 131 is located at the position P2, and the second advancing / retreating portion 231 is located at the position P4. The length of the portion 236 to be fitted to the first fitting portion 136 is adjusted in advance.

FIG. 4 is an enlarged cross-sectional view showing an example of the configuration of the first fitting portion 136 and the second fitting portion 236.

As shown in FIG. 4, the second fitting portion 236 is continuously provided on the tip end side of the support column 235, and protrudes from the second advancing / retreating portion 231 toward the nozzle opening 221c side of the nozzle 211, and the first fitting portion 136. Fit into. The second fitting portion 236 has a tip end side piece 236a, a base end side piece 236b, and a fastening portion 236c.

The tip side piece 236a extends so as to be separated from the support pillar 235 from the tip end to the base end of the support pillar 235 at a position corresponding to the inner edge of the other end side of the first fitting portion 136.

The base end side piece 236b extends from the tip end side piece 236a toward the base end so as to approach the support pillar 235 at a position corresponding to the inner edge of the fitted first fitting portion 136 on one end side. Further, the base end side piece 236b may extend toward the base end along the inner peripheral portion of the fitted first fitting portion 136.

The retaining portion 236c extends outward in the longitudinal direction from the tip end side of the support column 235 at a position where the retaining portion 236c is pressed against the frustum portion 134.

The insertion resistor Ri for inserting the second fitting portion 236 into the first fitting portion 136 is generated according to the inclination angle θ1 of the tip side piece 236a with respect to the insertion direction.

The removal resistor Ro for removing the second fitting portion 236 from the first fitting portion 136 is generated according to the inclination angle θ2 of the base end side piece 236b with respect to the removal direction.

The removal resistor Ro is such that the first advancing / retreating portion 131 moves to the position P1 and the second advancing / retreating portion 231 moves to the position P3 by removing the second fitting portion 236 from the first fitting portion 136. , It is determined to be larger than each of the movement resistances R1 and R2.

More specifically, the inclination angle θ2 is determined so that the extraction resistance Ro is larger than each of the movement resistors R1 and R2.

Further, the characteristics such as the frictional force and side pressure of the packings 133 and 233, and the frictional force and urging force of the resistance member 125 and the resistance member 225 so that each of the movement resistances R1 and R2 is smaller than the removal resistance Ro, etc. All or part of may be defined.

It is desirable that the inclination angles θ1 and θ2 are set to θ1 <θ2 so that the insertion resistance Ri is smaller than the extraction resistance Ro so that the bottle connector 111 and the nozzle 211 can be connected with a smaller force.

The convex portion 237 is provided on the base end surface of the second advancing / retreating portion 231 and forms a gap between the base end surface of the second advancing / retreating portion 231 and the storage portion connecting portion 241.

The storage portion connection portion 241 has a mounting cylinder 242, an outward protrusion 243, a packing 244, and a tip opening 245.

The mounting cylinder 242 is provided on the base end side of the storage portion connecting portion 241. The mounting cylinder 242 has an elongated tubular shape and has a bottle tube connection port 242a at the end. The mounting cylinder 242 has a non-slip 242b on the outer peripheral surface near the end portion. One end of the bottle tube Tb is attached to the mounting cylinder 242. The other end of the bottle tube Tb is arranged in the chemical storage portion B1.

The outward protruding portion 243 is continuously provided on the tip end side of the mounting cylinder 242, and has a shape that protrudes outward in the radial direction so as to hang on the end surface of the base end portion 221a.

The packing 244 is made of rubber or the like, has a ring shape, is mounted in a peripheral groove continuously provided on the tip end side of the outward protrusion 243, and is in close contact with the nozzle cylinder 221.

The tip opening 245 is provided on the tip surface of the storage portion connecting portion 241. The tip opening 245 communicates with the bottle tube connection port 242a.

The cap 251 is attached to the base end portion 221a. The cap 251 has a central hole 252 in which the mounting cylinder 242 is arranged inside. The cap 251 has an outer peripheral portion 253 extending toward the tip end along the outer peripheral surface of the base end portion 221a.

The position P1 is a position where the packing 133 is arranged inside the inner ring portion 123. When located at the position P1, the packing 133 comes into close contact with the inside of the inner ring portion 123 to block the first flow path L1 and closes the bottle connector 111.

At the position P1, the first advancing / retreating portion 131 has a moving resistance R1 which is a combination of the contact resistance Ra and the sliding resistance Rb. The resistance member 125 and the packing 133 form a first fastening portion that fastens the first advancing / retreating portion 131 when the first advancing / retreating portion 131 is at the position P1. The first fastening portion includes a resistance member 125 arranged on the inner circumference of the first flow path L1. The first fastening portion provides the first advancing / retreating portion 131 at the position P1 with a movement resistance R1 smaller than the removal resistance Ro for removing the second fitting portion 236 from the first fitting portion 136.

The position P2 is a position where the packing 133 is arranged on one end side of the inner ring portion 123. When located at the position P2, the first advancing / retreating portion 131 is formed with a gap between the inner ring portion 123 and the first flow path L1 to communicate with the first advancing / retreating portion 131 to open the bottle connector 111.

The first flow path L1 has an inner peripheral portion 124 on the other end side, a gap between the first advancing / retreating portion 131 and the inner ring portion 123, a gap between the first advancing / retreating portion 131 and the inner peripheral portion 122 on the one end side, and a body. It is composed of a gap between the portion 145 and the first advancing / retreating portion 131 and an internal flow path of the tube connecting portion 141, and connects the connection port 142a and the insertion port 121c.

The first advancing / retreating portion 131 is arranged so as to be able to advance / retreat in the first flow path L1, and when it is located at the first position P1 in the first flow path L1, it seals the first flow path L1 and is more than the first position P1. When it is located at the second position on the connection port 142a side, the first flow path L1 is opened.

The position P3 is a position where the packing 233 is arranged inside the small inner peripheral portion 223. When located at the position P3, the packing 233 of the second advancing / retreating portion 231 comes into close contact with the inside of the small inner peripheral portion 223 to block the second flow path L2 and closes the nozzle 211.

At the position P3, the second advancing / retreating portion 231 has a moving resistance R2 which is a combination of the contact resistance Rc and the sliding resistance Rd. The resistance member 225 and the packing 233 form a second fastening portion that fastens the second advancing / retreating portion 231 when the second advancing / retreating portion 231 is at the position P3. The second fastening portion includes a packing 233 which is a sealing member arranged on the outer periphery of the second advancing / retreating portion 231. The second fastening portion may be a packing (not shown) arranged on the inner circumference of the nozzle 211 instead of the packing 233. The second fastening portion provides the second advancing / retreating portion 231 with a moving resistance R2 smaller than the removal resistance Ro at the position P3.

The position P4 is a position where the packing 233 is arranged on the proximal end side of the small inner peripheral portion 223. When the second advancing / retreating portion 231 is located at the position P4, a gap is formed between the second advancing / retreating portion 231 and the small inner peripheral portion 223, and the second flow path L2 communicates with the second advancing / retreating portion 231 to open the nozzle 211.

The second flow path L2 includes a storage portion connecting portion 241 and a gap between the storage portion connecting portion 241 and the second advancing / retreating portion 231, a gap between the second advancing / retreating portion 231 and the base end side inner peripheral portion 222, a peripheral recess 234, and a through hole. It is composed of 234a, the inside of the second advancing / retreating portion 231 and the tip side inner peripheral portion 224, and connects the bottle tube connection port 242a and the nozzle opening 221c.

The second advancing / retreating portion 231 is arranged so as to be able to advance / retreat in the nozzle 211, seals the nozzle 211 when it is located at the third position in the nozzle 211, and is located at the fourth position on the chemical storage portion B1 side with respect to the third position. At that time, the nozzle 211 is opened.

(motion)
Subsequently, the operation of the chemical solution supply mechanism D of the endoscope reprocessor 1 will be described.

As shown in FIGS. 2 and 3, the bottle connector 111 is closed when the first advancing / retreating portion 131 is located at position P1. The nozzle 211 is closed when the second advancing / retreating portion 231 is located at position P3.

5 and 6 are cross-sectional views showing a state in which the first fitting portion 136 and the second fitting portion 236 are fitted to each other in the chemical solution supply mechanism D. FIG. 6 is a cross-sectional view of the chemical solution supply mechanism D cut in a direction orthogonal to the cut surface of FIG.

When the bottle connector 111 is fitted into the nozzle 211, the second fitting portion 236 presses against the first fitting portion 136. Further, when the bottle connector 111 is pushed in by an insertion force exceeding the insertion resistance Ri, the width of the second fitting portion 236 is reduced due to elastic deformation, and the second fitting portion 236 is inserted into the first fitting portion 136. After passing through the first fitting portion 136, as shown in FIGS. 5 and 6, the second fitting portion 236 is restored from the elastic deformation between the frustum portion 134 and the first fitting portion 136, and the first fitting portion 236 is restored from the elastic deformation. It is fitted with the fitting portion 136.

Note that FIGS. 5 and 6 are configured such that the insertion resistance Ri is smaller than each of the movement resistors R1 and R2, and the second fitting is performed before the first advancing / retreating portion 131 and the second advancing / retreating portion 231 move. The portion 236 is inserted into the first fitting portion 136. The insertion resistance Ri is configured to be larger than each of the movement resistors R1 and R2, and the second fitting portion 236 is moved to the first advancing / retreating portion 131 and the second advancing / retreating portion before being inserted into the first fitting portion 136. The unit 231 may be pushed and moved.

FIG. 7 is a cross-sectional view showing an example of a state in which the bottle connector 111 and the nozzle 211 are connected to each other.

As shown in FIG. 7, when the bottle connector 111 is further pushed in after the first fitting portion 136 and the second fitting portion 236 are fitted, the first advancing / retreating portion 131 moves from the position P1 to the position P2. , The bottle connector 111 is opened. Further, the second advancing / retreating portion 231 moves from the position P3 to the position P4, and the nozzle 211 is opened.

When the tip portion 221b is inserted into the annular groove 124a, the packing 227 comes into close contact with the inner surface of the annular groove 124a, making the inside of the bottle connector 111 and the nozzle 211 watertight or airtight from the outside.

When the locking claw 126c locks the protrusion 226, the bottle connector 111 is fixed to the nozzle 211 so as not to fall off.

FIG. 8 is a cross-sectional view for explaining an example of the first flow path L1 and the second flow path L2.

As shown in FIG. 8, when the bottle connector 111 and the nozzle 211 are connected to each other, the connection port 142a and the bottle tube connection port 242a are communicated with each other by the first flow path L1 and the second flow path L2.

When the bottle connector 111 is pulled away from the nozzle 211, the removal resistance Ro is configured to be larger than each of the movement resistors R1 and R2, so that the second fitting portion 236 is removed from the first fitting portion 136. The first advancing / retreating portion 131 moves from the position P2 to the position P1, and the second advancing / retreating portion 231 moves from the position P4 to the position P3 (FIGS. 5 and 6). Further, when the bottle connector 111 is pulled away, the stopper 132 is stopped by the inner ring portion 123, the stopper 232 is pressed by the small inner peripheral portion 223, and the second fitting portion 236 is brought into contact with the pulling force exceeding the pulling resistance Ro. Is removed from the first fitting portion 136. As a result, each of the bottle connector 111 and the nozzle 211 is closed in response to the removal of the bottle connector 111 to prevent leakage of residual liquid.

In FIG. 2, the first advancing / retreating portion 131 is located at the position P1, but the first advancing / retreating portion 131 can be connected to the nozzle 211 even at the position P2.

FIG. 9 is a cross-sectional view showing an example of a state in which the first advancing / retreating portion 131 is located at the position P2. As shown in FIG. 9, when the bottle connector 111 is fitted into the nozzle 211, the second fitting portion 236 is fitted. It presses against the first fitting portion 136. Further, when the bottle connector 111 is pushed in, the first fitting portion 136 and the second fitting portion 236 are fitted to each other. Further, when the bottle connector 111 is pushed in, the second advancing / retreating portion 231 moves to the position P3, each of the bottle connector 111 and the nozzle 211 is connected to each other, and the connection port 142a and the bottle tube connection port 242a communicate with each other.

When the first advancing / retreating portion 131 is pushed from the position P1 to the position P2 by a user's finger or a jig or the like, the first advancing / retreating portion 131 stays at the position P2. As a result, the bottle connector 111 maintains the open state even when it is not connected to the nozzle 211, such as during an inspection process during manufacturing.

Further, the bottle connector 111 can be connected to the nozzle 211 regardless of whether the first advancing / retreating portion 131 is located at the position P1 or the position P2. Therefore, for example, after the inspection step is completed, the first advancing / retreating portion 131 does not have to be returned from the position P2 to the position P1. Further, regardless of the position P1 or P2, after connecting to the nozzle 211, the first advancing / retreating portion 131 moves to the position P1 and shuts off the first flow path L1 in response to the removal from the nozzle 211. And prevent the leakage of residual liquid.

According to the embodiment, the endoscope reprocessor 1 can prevent leakage of residual liquid when it is removed from the bottle B, and more easily keeps the open state in a state where it is not connected to the bottle B. It has a bottle connector 111 that can be made to.

(Modification example 1)
In the embodiment, the second fitting portion 236 has a plurality of locking pieces, but may be a brush.

FIG. 10 is an enlarged cross-sectional view showing an example of the configuration of the first fitting portion 336 and the second fitting portion 436 according to the first modification of the embodiment. FIG. 11 is a cross-sectional view showing a state in which the first fitting portion 336 and the second fitting portion 436 are fitted to each other. In this modification, the description of the same configuration as that of other embodiments and modifications will be omitted.

As shown in FIG. 10, the first fitting portion 336 has a tubular shape. An inward flange 337 is provided at the other end of the first fitting portion 336.

The second fitting portion 436 has a brush with bristles directed toward the proximal end.

As shown in FIG. 11, in the second fitting portion 436, the bristles of the second fitting portion 436 fall down along the inner edge of the inward flange 337 due to elastic deformation and enter the first fitting portion 336, and within the first fitting portion 336. It is restored and the tips of the hair spread. The bristles of the second fitting portion 436 hang on the inside of the inward flange 337 to generate a removal resistance Ro, which is larger than the insertion resistance Ri.

(Modification 2)
In the embodiment, the second fitting portion 636 has a plurality of locking pieces, but the second fitting portion 636 may be a sponge.

FIG. 12 is an enlarged cross-sectional view showing an example of the configuration of the first fitting portion 536 and the second fitting portion 636 according to the second modification of the embodiment. FIG. 13 is a cross-sectional view showing a state in which the first fitting portion 536 and the second fitting portion 636 are fitted to each other. In this modification, the description of the same configuration as that of other embodiments and modifications will be omitted.

As shown in FIG. 12, the first fitting portion 536 has a tubular shape.

The second fitting portion 636 has a sponge.

As shown in FIG. 12, the second fitting portion 636 contracts due to elastic deformation and enters the first fitting portion 536, and water is supplied in the first fitting portion 536 to be larger than that at the time of insertion. Generates resistance Ro.

The first fitting portion 136, 336, 536 and the second fitting portion 236, 436, 636 are not limited to the configurations of the embodiment and the modified example. The first fitting portions 136, 336, 536 and the second fitting portions 236, 436, 636 may be engaging members or sliding members that generate a removal resistance Ro. For example, the first fitting portion 136, 336, 536 and the second fitting portion 236, 436, 636 may be composed of a protruding member and a hanging member for hanging the protruding member.

In the embodiment and the modified example, the example in which the resistance members 125 and 225 are configured by the plunger has been described, but the resistance members 125 and 225 are not limited to the plunger. The resistance members 125 and 225 may be, for example, an engaging member or a sliding member with the first advancing / retreating portion 131 and the second advancing / retreating portion 231. Further, the resistance members 125 and 225 may be provided on the first advancing / retreating portion 131 and the second advancing / retreating portion 231 so as to generate contact resistances Ra and Rc between the inner peripheral portion 122 on one end side and the small inner peripheral portion 223. Good.

In the embodiments and modifications, an example in which the chemical solution is a disinfectant solution has been described, but the present invention is not limited to this. The chemical solution may be a chemical solution other than a disinfectant solution such as a cleaning solution or alcohol.

The present invention is not limited to the above-described embodiment, and various modifications, modifications, and the like can be made without changing the gist of the present invention.

The present invention relates to endoscopic reprocessors and bottles .

Therefore, the present invention has a bottle connector that can prevent leakage of residual liquid when it is removed from the bottle and can more easily maintain the open state when it is not connected to the bottle. , Endoscopic reprocessors , and bottles connected to the body of the endoscopic reprocessor .

The endoscopic reprocessor of one aspect of the present invention includes a main body including a suction pump, a tube having one end communicating with the suction pump, and a bottle connector connected to the other end of the tube. An endoscopic reprocessor having a chemical liquid storage unit and a bottle including a nozzle communicating with the chemical liquid storage unit, the bottle connector is a connection port connected to the tube and the said. The insertion port into which the tip of the nozzle is inserted, the first flow path connecting the connection port and the insertion port, and the first flow path are arranged so as to be able to move forward and backward, and are located at the first position in the first flow path. Of the first advancing / retreating portion and the first advancing / retreating portion that sometimes seals the first flow path and opens the first flow path when it is located at the second position on the connection port side of the first position. In the nozzle, the first fitting portion provided on the insertion port side and the first fastening portion for fastening the first advancing / retreating portion when the first advancing / retreating portion is in the first position are included. Is arranged so as to be able to advance and retreat in the nozzle, the nozzle is sealed when it is located at the third position of the nozzle, and the nozzle is sealed when it is located at the fourth position on the chemical storage portion side of the third position. A second advancing / retreating portion that opens the nozzle, a second fitting portion that protrudes from the second advancing / retreating portion toward the nozzle opening side of the nozzle, and is fitted to the first mating portion, and the second advancing / retreating portion. A second fastening portion for fastening the second advancing / retreating portion when in the third position is arranged.
The bottle of one aspect of the present invention is a bottle including a chemical liquid storage unit and a nozzle communicating with the chemical liquid storage unit and connected to the main body of the endoscope reprocessor, and the inside of the nozzle is , The nozzle is arranged so as to be able to advance and retreat in the nozzle, and when it is located at the third position of the nozzle, the nozzle is sealed, and when it is located at the fourth position on the chemical liquid storage portion side of the third position, the nozzle is placed. A second fitting that protrudes from the second advancing / retreating portion to the nozzle opening side of the nozzle and that fits into the first fitting portion of the main body of the endoscope reprocessor. A portion and a second fastening portion for fastening the second advancing / retreating portion when the second advancing / retreating portion is in the third position are arranged.

Claims (4)

With a suction pump
A tube with one end communicating with the suction pump
With the bottle connector connected to the other end of the tube,
Main body including
and,
With the drug solution storage
A bottle containing a nozzle communicating with the chemical storage unit,
Is an endoscopic reprocessor with
The bottle connector is
The connection port connected to the tube and
An insertion slot into which the tip of the nozzle is inserted and
A first flow path connecting the connection port and the insertion port,
It is arranged so as to be able to advance and retreat in the first flow path, and when it is located at the first position in the first flow path, the first flow path is sealed, and the second position on the connection port side with respect to the first position. When it is located in, the first advancing / retreating part that opens the first flow path and
Of the first advancing / retreating portions, the first fitting portion provided on the insertion port side and
Includes a first fastening portion for fastening the first advancing / retreating portion when the first advancing / retreating portion is in the first position.
In the nozzle,
The nozzle is arranged so as to be able to advance and retreat, the nozzle is sealed when it is located at the third position of the nozzle, and the nozzle is opened when it is located at the fourth position on the chemical storage portion side of the third position. The second advance and retreat part to do,
A second fitting portion that protrudes from the second advancing / retreating portion toward the nozzle opening side of the nozzle and fits into the first fitting portion, and a second fitting portion.
When the second advancing / retreating portion is in the third position, a second fastening portion for fastening the second advancing / retreating portion is arranged.
An endoscopic reprocessor that features. The first fastening part is
A resistance member arranged on the inner circumference of the first flow path is included.
The endoscope reprocessor according to claim 1. The endoscope reprocessor according to claim 1, wherein the second fastening portion includes a sealing member arranged on the inner circumference of the nozzle or the outer circumference of the second advancing / retreating portion. The first fastening portion provides the first advancing / retreating portion with a movement resistance smaller than the removal resistance for removing the second fitting portion from the first fitting portion at the first position.
The second fastening portion provides a moving resistance smaller than the removal resistance to the second advancing / retreating portion at the third position.
The endoscope reprocessor according to claim 1.

Images